US PATENT SUBCLASS 417 / 536
.~.~.~.~ Inlet and discharge distributors positioned laterally of pumping member path

Current as of: June, 1999
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417 /   HD   PUMPS

437  DF  EXPANSIBLE CHAMBER TYPE {40}
521  DF  .~ Plural pumping chambers {7}
534  DF  .~.~ Chambers formed at opposite ends of rectilinearly moving pumping member {1}
535  DF  .~.~.~ All discharge distributors positioned laterally of pumping member path {1}
536.~.~.~.~ Inlet and discharge distributors positioned laterally of pumping member path {1}
537  DF  .~.~.~.~.~> All distributors positioned on same side of pumping chamber

DEFINITION

Classification: 417/536

(under subclass 535) Apparatus in which the inlet and discharge valves for the several chambers are located at a position radially spaced from the path of movement of the pumping member.